G11B 7/254
Of protective topcoat layers
Official title: of protective topcoat layers
G11B7/254 (Of protective topcoat layers) appears on 892 US grants and 610 published applications in this corpus.
Search patents in G11B- Granted patents
- 892
- Published applications
- 610
- Assignees
- 243
- Inventors
- 1,677
- Latest grant
- 20 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 7 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 11 | 0 |
| 1989 | 18 | 0 |
| 1990 | 11 | 0 |
| 1991 | 17 | 0 |
| 1992 | 14 | 0 |
| 1993 | 34 | 0 |
| 1994 | 24 | 0 |
| 1995 | 33 | 0 |
| 1996 | 28 | 0 |
| 1997 | 38 | 0 |
| 1998 | 37 | 0 |
| 1999 | 41 | 0 |
| 2000 | 46 | 0 |
| 2001 | 57 | 24 |
| 2002 | 41 | 93 |
| 2003 | 62 | 98 |
| 2004 | 63 | 90 |
| 2005 | 60 | 89 |
| 2006 | 43 | 50 |
| 2007 | 31 | 45 |
| 2008 | 34 | 30 |
| 2009 | 21 | 21 |
| 2010 | 18 | 26 |
| 2011 | 12 | 11 |
| 2012 | 12 | 10 |
| 2013 | 6 | 2 |
| 2014 | 10 | 3 |
| 2015 | 5 | 5 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 4 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 0 |
| 2023 | 3 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical recording medium20 May 2025US 12,308,061 B2Sony Group Corporation
- Recording medium, exterior member, and method of recording on recording medium8 Aug 2023US 11,718,118 B2Sony Corporation
- Thin film comprising titanium oxide, and method of producing thin film comprising titanium oxide16 May 2023US 11,651,790 B2JX Nippon Mining & Metals Corporation
- System consisting of two UV-curing dry-transfer coating layers for the protection of a hologram in a photopolymer film composite2 May 2023US 11,640,136 B2Covestro Deutschland AG
- Film structure containing a photopolymer layer for holographic exposure and a coating layer of high resistance8 Mar 2022US 11,267,943 B2Covestro Deutschland AG
- Optical recording medium10 Oct 2024US 2024/0339129 A1Sony Group Corporation
- Film structure containing a photopolymer layer for holographic exposure and a coating layer of high resistance23 Sep 2021US 2021/0292505 A1Covestro Deutschland AG
- Thin Film Comprising Titanium Oxide, and Method of Producing Thin Film Comprising Titanium Oxide10 Jun 2021US 2021/0174831 A1JX Nippon Mining & Metals Corporation
- Recording medium, exterior member, and method of recording on recording medium18 Mar 2021US 2021/0078349 A1Sony Corporation
- System consisting of two uv-curing dry-transfer coating layers for the protection of a hologram in a photopolymer film composite28 May 2020US 2020/0166889 A1Covestro Deutschland AG
Most cited
By later US patents
- Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium220US 6,280,684 B1Ricoh Company, Ltd. · 2001
- Optical recording medium having a plurality of discrete phase change data recording points198US 5,591,501 AEnergy Conversion Devices, Inc. · 1997
- Data storage medium incorporating a transition metal for increased switching speed191US 4,710,899 AEnergy Conversion Devices, Inc. · 1987
- Pyrolytic chemical vapor deposition of silicone films156US 6,045,877 AMassachusetts Institute of Technology · 2000
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997